forester2002s Posted July 18, 2010 Share Posted July 18, 2010 When removing a radiator cap is it usual to have a strong suction/sucking feeling and noise accompany it? The upper radiator hose (which is new and perhaps a tiny bit too long) was under a bit of pressure and popped out when i removed the cap. If your engine was cold when it did this (sucking in), then you need a new radiator cap. A properly functioning radiator cap will allow coolant from the overflow-tank to be drawn back in to the system, without causing a hose to collapse under negative internal pressure. Link to comment Share on other sites More sharing options...
bstone Posted July 18, 2010 Author Share Posted July 18, 2010 If your engine was cold when it did this (sucking in), then you need a new radiator cap.A properly functioning radiator cap will allow coolant from the overflow-tank to be drawn back in to the system, without causing a hose to collapse under negative internal pressure. I have been noticing that my overflow tank's level has not changed at all, despite the system constantly running low on coolant. I'll change it and let you know. Should I get an OE or is an aftermarket ok? Link to comment Share on other sites More sharing options...
Suzam Posted July 18, 2010 Share Posted July 18, 2010 A name brand should be fine. I've got a Stant cap on my 97 and 98 both work without any problems. Link to comment Share on other sites More sharing options...
1-3-2-4 Posted May 10, 2012 Share Posted May 10, 2012 I had a heater hose drive me nuts like your problem, I finally found it on a cold day when I spotted the steam back by the fire wall. Congrats on finding your leak, better make sure all your hoses are in good shape. I replaced every hose after my problem. I've got this issue too I went to remove my starter one day and I bumped the heater hose and I removed the starter like right after I got home.. i got a nice squirt of hot coolant on me. I'm sure the hose is pretty easy to find? Link to comment Share on other sites More sharing options...
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